Medical Dictionary

duodenum

noun du·o·de·num
\ˌd(y)ü-ə-ˈdē-nəm, d(y)-ˈäd-ən-əm\
plural du·o·de·na \-ˈdē-nə, -ən-ə\ or du·o·de·nums

Medical Definition of DUODENUM

:  the first, shortest, and widest part of the small intestine that in humans is about 10 inches (25 centimeters) long and that extends from the pylorus to the undersurface of the liver where it descends for a variable distance and receives the bile and pancreatic ducts and then bends to the left and finally upward to join the jejunum near the second lumbar vertebra
du·o·de·nal \-ˈdēn-əl, -ən-əl\ adjective

Illustration of DUODENUM

April 26, 2015
rococo Hear it
excessively ornate or intricate
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears